A manufacturing method of a rotor and a rotor
[Subject] A rotor which can produce a rotor core with high rigidity at low cost is provided attaining stabilization of welding quality in an end of a rotor core. [Means for Solution] This rotor 20 is provided with the following. Rotor co...

A shaft and a bimetal joint of coupling
[Subject] Provide coupling and a power transfer shaft which were improved. [Means for Solution] A mechanical shaft contains a shaft main part which demarcates a longitudinal axis. A spline is contained at the 1st end of a shaft main part...

A substrates joining method and a substrates joining device
[Subject] That junction intensity of a substrate which originated in a bonded surface of a substrate to join being charged, and was joined mutually falls provides a substrates joining method and a substrates joining device which are cont...

WELDING DEVICE AND WELDING METHOD
To provide a welding device and a welding method which can shorten a processing time (working time) per one line (one piece) and is excellent in productivity (production capacity).A beam for preheating is applied to a butted part between...

MANUFACTURING METHOD OF ALUMINUM JOINING BODY
To provide a manufacturing method of an aluminum joining body capable of reducing a crack of a melting-coagulation part, while securing a beam spot diameter for securing joining strength.A manufacturing method of an aluminum joint body c...

ELECTRODE WELDING METHOD
To provide an electrode welding method capable pf suppressing dispersion of penetration at a welded part.An electrode welding method for welding a plurality of tabs in a laminated state to each other by performing a plurality of times of...

A manufacturing method of a sandwich panel
The present invention relates to a method of manufacturing a sandwich panel as semimanufactured goods, and allots at least one layer (2, 12) which consists of nonmetallic substances between at least two metal layers (1, 3; 11, 13). A met...

A welding process and a welding article
[Subject] The welding process which can prevent a welding crack by organization control of a welding part is provided. [Means for Solution] A welding process is a welding process which welds members, and has like a welder who welds membe...

JPWO2017018523A1

A titanium material for hot-rolling
Layer part 1a which has chemical constitution which is different in base material 1b which consists of unalloyed titanium for industry, or a titanium alloy, and base material 1b formed in a rolling side of at least 1 side of base materia...

Electron-beam-machining system
[Subject] The present invention relates to an electron-beam-machining system. [Means for Solution] Electron-beam-machining systems of the present invention are a vacuum device, an electron gun, and a sample holder, It is an electron-beam...

Welding process
[Subject] A strength property after welding is improved. [Means for Solution] It is a welding process which welds steel 12 (the 2nd member) whose hardness is lower than cast iron 11 (the 1st member) and cast iron 11, and is between cast ...

A nozzle for processing, and an optical processing device
It has composition which has arranged a branching part near the nozzle and arranged channel length. A feed pipe which has a light course which is a nozzle for processing and passes light from a light source, is arranged on the outside of...

JP2017532203A

A check of energy beam size
It is the method of checking size of energy beam spot, and is the method, Until a step which provides the 1st beam spot that has predetermined size and an output in the 1st position on work piece, and the highest intensity to the 1st bea...